class Dog {
	constructor(name: string) {
		this.name = name;
	}
	public name: string;
	run() {}
	private pri() {}
	protected pro() {}
	readonly legs: number = 4;
	static food: string = 'bondes';
}
// 继承

class Husky extends Dog {
	constructor(name: string, public color: string) {
		super(name);
		this.color = color;
	}
	// color: string;
}
